Atomic Theory Crossword

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Across
  1. 4. Name of the scientist who discovered the nucleus
  2. 6. Name for the negatively charged particles in an atom
  3. 7. Where can you find the mass of an atom
  4. 8. said the atom was a solid sphere
  5. 9. Ancient ________ were the first people to come up with the idea of the atom
  6. 12. British scientist who found negatively charged particles in the atom
  7. 14. "Uncuttable"
Down
  1. 1. Series of models
  2. 2. Name of JJ Thomson's atomic model
  3. 3. During Rutherford's experiment, a few particles were strongly __________
  4. 5. Name of the Greek scientist
  5. 10. Anything with mass and volume
  6. 11. Positively charged particles found in the nucleus
  7. 13. Size of an atom